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/*******************************************************************************
* Copyright (c) 2000, 2017 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.core.mapping.provider;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.resources.mapping.ResourceTraversal;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.team.core.ICache;
import org.eclipse.team.core.mapping.IResourceDiffTree;
import org.eclipse.team.core.mapping.ISynchronizationContext;
import org.eclipse.team.core.mapping.ISynchronizationScope;
import org.eclipse.team.core.mapping.ISynchronizationScopeManager;
import org.eclipse.team.internal.core.Cache;
import org.eclipse.team.internal.core.Policy;
/**
* Abstract implementation of the {@link ISynchronizationContext} interface.
* This class can be subclassed by clients.
*
* @see ISynchronizationContext
* @since 3.2
*/
public abstract class SynchronizationContext extends PlatformObject implements ISynchronizationContext {
private final int type;
private final IResourceDiffTree diffTree;
private Cache cache;
private final ISynchronizationScopeManager manager;
/**
* Create a synchronization context.
* @param manager the manager that defines the scope of the synchronization
* @param type the type of synchronization (ONE_WAY or TWO_WAY)
* @param diffTree the sync info tree that contains all out-of-sync resources
*/
protected SynchronizationContext(ISynchronizationScopeManager manager, int type, IResourceDiffTree diffTree) {
this.manager = manager;
this.type = type;
this.diffTree = diffTree;
}
@Override
public ISynchronizationScope getScope() {
return getScopeManager().getScope();
}
/**
* Return the scope manager for the scope of this context.
* @return the scope manager for the scope of this context
*/
public ISynchronizationScopeManager getScopeManager() {
return manager;
}
@Override
public int getType() {
return type;
}
@Override
public void dispose() {
if (cache != null) {
cache.dispose();
}
manager.dispose();
}
@Override
public synchronized ICache getCache() {
if (cache == null) {
cache = new Cache();
}
return cache;
}
@Override
public IResourceDiffTree getDiffTree() {
return diffTree;
}
@Override
public void refresh(ResourceMapping[] mappings, IProgressMonitor monitor) throws CoreException {
monitor.beginTask(null, 100);
ISynchronizationScopeManager manager = getScopeManager();
if (manager == null) {
// The scope manager is missing so just refresh everything
refresh(getScope().getTraversals(), IResource.NONE, Policy.subMonitorFor(monitor, 50));
} else {
ResourceTraversal[] traversals = manager.refresh(mappings, Policy.subMonitorFor(monitor, 50));
if (traversals.length > 0)
refresh(traversals, IResource.NONE, Policy.subMonitorFor(monitor, 50));
}
monitor.done();
}
}
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